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Keywords:

  • superficial bladder cancer;
  • second transurethral resection;
  • residual cancer

OBJECTIVE

To evaluate a series of repeat transurethral resections (TURs) of tumour in patients with T1 bladder cancer, usually used to ensure a complete resection and to exclude the possibility muscle-invasive disease.

PATIENTS AND METHODS

In all, 136 consecutive patients had a second TUR because of a histopathological diagnosis of T1 transitional cell carcinoma (TCC) after their initial TUR. Of the 136 patients, 101 were first presentations and 35 had recurrent tumours. The second TUR was done 4–6 weeks later. The evaluation included the presence of previously undetected residual tumour, changes to histopathological staging/grading, and tumour location.

RESULTS

In all, 71 patients (52%) had residual disease according to findings from specimens obtained during the second TUR. The staging was: no tumour, 65 (48%); Ta, 11 (8%); T1, 32 (24%); Tis, 15 (11%); and ≥ T2, 13 (10%). Histopathological changes that worsened the prognosis (>T1 and or concomitant Tis) were found in 21% of patients. Residual malignant tissue was found in the same location as the first TUR in 86% of the patients, and at different locations in 14%. Overall, 28 patients (21% of the original 136) had a radical cystectomy as a consequence of the second TUR findings.

CONCLUSIONS

A routine second TUR should be advised in patients with T1 TCC of the bladder, to achieve a more complete tumour resection and to identify patients who should have a prompt cystectomy.